Comprehensive side-by-side LLM comparison
Claude Opus 4 leads with 18.9% higher average benchmark score. Claude Opus 4 offers 72.0K more tokens in context window than Devstral Small 1.1. Devstral Small 1.1 is $89.60 cheaper per million tokens. Claude Opus 4 supports multimodal inputs. Claude Opus 4 is available on 4 providers. Overall, Claude Opus 4 is the stronger choice for coding tasks.
Anthropic
Claude Opus 4 was developed as the flagship model in the Claude 4 generation, designed to push the boundaries of AI capability in complex reasoning, analysis, and multi-step problem-solving. Built to handle the most demanding enterprise tasks, it represents Anthropic's highest tier of intelligence and capability.
Mistral AI
Devstral Small was developed as a more efficient development-focused model, designed to bring software engineering assistance to resource-conscious deployments. Built to provide coding capabilities with reduced computational requirements, it enables developer tools in environments where efficiency is paramount.
1 month newer

Claude Opus 4
Anthropic
2025-05-22

Devstral Small 1.1
Mistral AI
2025-07-11
Cost per million tokens (USD)

Claude Opus 4

Devstral Small 1.1
Context window and performance specifications
Average performance across 1 common benchmarks

Claude Opus 4

Devstral Small 1.1
Performance comparison across key benchmark categories

Claude Opus 4

Devstral Small 1.1
Available providers and their performance metrics

Claude Opus 4
Anthropic
Bedrock
ZeroEval

Claude Opus 4

Devstral Small 1.1

Claude Opus 4

Devstral Small 1.1

Devstral Small 1.1
Mistral AI